Rakefile in alexandria-book-collection-manager-0.7.5 vs Rakefile in alexandria-book-collection-manager-0.7.6

@@ -105,39 +105,41 @@
     value.to_i
   when "float"
     value.to_f
   when "bool"
     value == "true"
+  when "string"
+    value.to_s.strip
   else
-    value.strip
+    raise NotImplementedError, "Unknown type #{type}"
   end
 end
 
 SCHEMA_PATH = "schemas/alexandria.schemas"
 
 # This generates default_preferences.rb by copying over values from
 # providers_priority key in alexandria.schemas (necessary?)
 
-file "lib/alexandria/default_preferences.rb" => [SCHEMA_PATH] do |f|
+file "lib/alexandria/default_preferences.rb" => ["Rakefile", SCHEMA_PATH] do |f|
   require "rexml/document"
   generated_lines = []
 
   doc = REXML::Document.new(IO.read(SCHEMA_PATH))
   doc.elements.each("gconfschemafile/schemalist/schema") do |element|
     default = element.elements["default"].text
-    next unless default
 
     varname = File.basename(element.elements["key"].text)
     type = element.elements["type"].text
 
     if (type == "list") || (type == "pair")
       ary = default[1..-2].split(",")
       next if ary.empty?
 
-      if type == "list"
+      case type
+      when "list"
         list_type = element.elements["list_type"].text
         ary.map! { |x| convert_with_type(x, list_type) }
-      elsif type == "pair"
+      when "pair"
         next if ary.length != 2
 
         ary[0] = convert_with_type(ary[0],
                                    element.elements["car_type"].text)
         ary[1] = convert_with_type(ary[1],